ph temperature and dissolved oxygen

... hydrogels consist of pH- sensitive block and the temperature- sensitive block to form pH/ temperature- sensitive block copolymers These copolymers are responsive to both temperature and pH, and its sol-gel ... the pH and temperature- sensitive block copolymer solution Reproduced from Ref [40] Figure 1-3 shows the comparison of sol-gel phase transition diagram of temperature- sensitive hydrogel and pH/ temperature- sensitive ... respond to both pH and temperature Anderson [37] and Determa [38] developed a series of pH/ temperature- sensitive copolymer hydrogels type ABCBAbased on Pluronic (F127) Here, BCB is temperature- sensitive...

Ngày tải lên: 13/05/2016, 10:14

... ozone and oxygen to body fluids and cavities The ozone /oxygen mixture was reported to exhibit various effects on the immune system, such as the modulation of phagocytic activity [13] Clinical and ... 2009/45) Before the experiment, animals had been fed standard rat chow and water ad libitum and housed in cages with controlled temperature and 12-hour light/dark cycle for at least week Experimental ... Representative photomicrographs of the study groups were presented in Figure and the detailed injury scores were shown in Table http://www.medsci.org Int J Med Sci 2011, 53 Figure Representative photographs...

Ngày tải lên: 25/10/2012, 11:18

... and light strands of the mtDNA, and contains essential transcription and replication elements The D-loop region is a hot spot for mtDNA alterations and the nucleotide positions 16024±16 324 and ... U/ml penicillin and 100 µg/ml streptomycin in a humidified atmosphere of 5% CO2 and 95% air at 37°C Hp was grown in the brain heart infusion agar containing 7% defibered sheep blood and Hp selective ... 12000 g for 10 and the supernatant was collected All the supernatants were finally mixed and freeze-dried The dry powder was dissolved in ml of sterile double-distilled water and stored at -40℃...

Ngày tải lên: 25/10/2012, 11:18

... nitrifying and anammox bacteria can be in single reactor because oxygen zone and no oxygen zone are formed in the biofilm Furukawa et al (2006) carried out SNAP (Single-stage Nitrogen removal Anammox and ... of Water and Environment Technology, Vol 9, No.2, 2011 using the indophenol method (Weatherburn, 1967) The nitrite and nitrate concentrations were determined by using ion chromatography (ICS-1500, ... g/L Na2MoO4·2H2O; 0.19 g/L NiCl2·6H2O; 0.21 g/L NaSeO4·10H2O; and 0.014 g/L H3BO4 Chemical analysis and calculations Both the influent and the effluent of the anammox reactors were analyzed in order...

Ngày tải lên: 05/09/2013, 10:17

... inorganic phosphate resulted in an inhibition of PFK activity Further analysis of phosphate effects on PFK at °C seemed warranted and Fig shows an anomalous interaction between pH and phosphate effects ... of pH and inorganic phosphate concentration on the activity of S lateralis phosphofructokinase at °C Activities are expressed relative to the PFK activity in the absence of phosphate at each pH ... phosphate and by 5-fold with 20 mm phosphate However, as was also seen in Table 2, the maximum velocity of PFK at °C was reduced in the presence of phosphate by 49 and 79%, respectively, at and...

Ngày tải lên: 19/02/2014, 16:20

... melting temperature TA of the host element A passes through a temperature minimum TE known as the eutectic point E and ends at the melting temperature TB of the doping element B The phase diagrams ... Melting temperature, Cs, Ref Melting temperature, Rb, Ref 305 300 295 2700 Melting curve, present Melting temperature of Cr, Ref Melting temperature of Mo, Ref Eutectic point, present Melting temperature, ... s = (30) with Tm(1) and Tm(2) as melting temperatures of the first or doping and the second or host element, respectively, composing the binary alloy Therefore, the melting temperature of bcc...

Ngày tải lên: 14/03/2014, 13:20

... class A and class B sHsp complexes is adjusted to the ambient temperature and to protein concentration, and that mutant proteins equivalent to HspH(G114A) form unstable complexes Materials and methods ... 3000 spectrophotometer (Amersham Pharmacia Biotech) CS (Sigma) was dialyzed against Tris/EDTA buffer (10 mM Tris/HCl, mM EDTA, pH 8.0) and stored at )20 °C before use Gel filtration Standard size-exclusion ... glycerol, pH 7.9] Sample aliquots of 200 lL were injected and separated on a BioCAD perfusion chromatography system (PerSeptive Biosystems), at a flow rate of 1.0 mLÆmin)1 on the Sephacryl column and...

Ngày tải lên: 23/03/2014, 12:20

... changes of temperature and ionic strength Finally, differences in the specicities and effects of salts and temperature between the two enzymes were signicant, although not large, and could be ... study of the milieu composition and temperature inuence on neurolysin and TOP hydrolytic activities in order to understand their unusual variations of specicity [5,6] and broad spectrum of hydrolysis ... conduced at different temperatures and at different salt concentrations [5] Temperature dependence of the hydrolysis reaction rates of the substrates by neurolysisn and TOP The temperature dependence...

Ngày tải lên: 23/03/2014, 21:21

... (GPx1; Fig and Eqn 4) and peroxiredoxins III and V (PrxIII and PrxV; Fig and Eqns and 6, respectively; [55]) At least seven GPx enzymes have been described to date in mammalian cells [56], and two ... + APE Single-strand breaks Double-strand breaks Degradation Fig Potential interactions between mtDNA repair and degradation pathways ROS induce both single-strand and double-strand breaks in mtDNA, ... apyrimidinic endonuclease APE ⁄ Ref1; SSB and DSB, single-strand break and double-strand break, respectively ase, may aid in the generation of abasic sites and single-strand breaks This model provides a...

Ngày tải lên: 29/03/2014, 22:21

... (w/v) allows one to work at temperatures as low as 230 K Provided the phosphate concentration is kept < 0.1 M, Fig CCO was assayed spectrophotometrically in 40 mM phosphate pH 6.9 The initial reduced ... as 240 K The buffer system contained 44% (w/v) 40 mM phosphate pH 6.9 and 56% (w/v) ethylene glycol, 10 mM ascorbate and 50 lM tetramethyl phenylene diamine (TMPD) The oxidase, final concentration ... Fig Flash photolysis of Cu1 a2 Cu1 a2 CO + O2 Five lM reduced A B CO CCO was in 44% (w/v) 40 mM phosphate pH 6.9, 56% (w/v) ethylene glycol The temperature was 268 K (s) or 238 K (d) Oxygen was...

Ngày tải lên: 31/03/2014, 07:20

... biosphere, the atmosphere, ocean, and soil/upper crust The requirements of habitability include favorable temperatures, ocean salinity, and at least for the past billion years—atmospheric oxygen ... (Schneider and Boston 1991) Gaia theory has stimulated an expanding wave of research into the coupling of life and its environment, paradoxically despite and because of its impurity and metaphorical ... might change as global surface temperature increases Thus, knowledge of the multifold fluxes in and out of the systems and subsystems of the biosphere and their temporal and spatial variation is critical...

Ngày tải lên: 08/04/2014, 00:37

... chemical treatment, and then activated with a brief exposure to oxygen plasma in order to assure the removal of any traces of organic contaminants and achieve optimal hydrophilicity A drop of ... sterilization purposes, J Phys D Appl Phys 34 (2001), 1203–1212 Lerouge S, Wertheimer MR, Marchand R, Tabrizian M, Yahia LH, Effect of gas composition on spore mortality and etching during low-pressure ... an oxygen plasma glow discharge, J Phys D Appl Phys 39 (2006), 3487–3493 11 Vujo{evi} D, Mozeti~ M, Cvelbar U, Krstulovi} N, Milo{evi~ S, Optical emission spectroscopy characterization of oxygen...

Ngày tải lên: 18/05/2014, 20:33

... and temperature of storage affect lymphocyte viability and phenotype when whole blood is stored overnight at 4°C [5-7] Storage at room temperature prior to processing also affects viability and ... and Bill Goodwin Additional philanthropic support was provided by Frank and Jane Batten, the James and Rebecca Craig Foundation, George S Suddock, Richard and Sherry Sharp, and the Patients and ... exposed to temperatures of 15°, 30°, 40°, or 50°C for h, h, and 12 h and left at room temperature after that exposure for a total of 24 h after collection Significant and unacceptable lysis and cell...

Ngày tải lên: 18/06/2014, 19:20

... Figure Graph of γ vs temperature for the 46.3-nm platinum thin film and for bulk platinum (a) τ1/τ2 = and (b) τ1/τ2 = 50 Figure 10 Graph of γ vs temperature for the 74-nm platinum thin film and for ... underlying physics that relates electrical resistivity to temperature and film thickness Keywords: Callendar-van Dusen; conductivity; mean free path; nanofilm; resistance temperature detector; temperature ... experimental and theoretical values is obtained Additionally, graphs are also presented in Figures and 10 showing how γ varies with temperature to produce the data shown in Figures and Depending...

Ngày tải lên: 18/06/2014, 22:20

... years of collection over data of temperature and rainfall to prepare the graphics The total number of individuals of Lepidoptera major and lesser important pests and of those of the most collected ... correlation with temperature (r = –0.17, P > 0.05) and rainfall (r = –0.16, P > 0.05) (Fig and Tab IV) and the frequency of individuals of this species was higher when eucalyptus plants were five and six ... temperature (r = –0.31, P < 0.01) and rainfall (r = –0.34, P < 0.01) (Fig and Tab IV) and when plants were younger (P < 0.05) (Fig 4) Effect of plant age, temperature and rainfall 87 Table III Species,...

Ngày tải lên: 08/08/2014, 00:21

... needle primordia in terminal buds (and standard errors bars) averaged for weeks 12 to 14 (n = 55 to 60) Means and standard error bars for each week in the main graph were calculated using from 13 ... and SD seedlings during hardening in a greenhouse Seedlings from the SD regime experienced the same temperatures and light intensities as 312 S.J Colombo et al Figure Index of injury (and standard ... temperatures and light intensities as NDW and SD seedlings and the same photoperiod as OD and NDW trees 4.1 Seedling morphology Shortened photoperiods in the SD regime were used only of every days,...

Ngày tải lên: 08/08/2014, 01:21